Home / 28,321.82-39,080.87-22,654.52

Finding the Fourth Proportional to 28,321.82, 39,080.87 and 22,654.52

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Solution

The fourth proportional to 28,321.82, 39,080.87 and 22,654.52 is: 31,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.82 : 39,080.87 = 22,654.52 : x
  2. Step 2: Convert to fraction form
    28,321.82/39,080.87 = 22,654.52/x
  3. Step 3: Cross multiply
    28,321.82x = 39,080.87 × 22,654.52
  4. Step 4: Simplify right side
    28,321.82x = 885,358,042.36
  5. Step 5: Solve for x
    x = 885,358,042.36/28,321.82
  6. Step 6: Final answer
    x = 31,260.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.